package ad;

import java.util.List;

import bo.book;
import vo.User;

public interface IAdDao {
	public abstract book add(book b) throws Exception;
	public abstract void delete(book b) throws Exception;
	public abstract book search(book b) throws Exception;
	public abstract void update(book b) throws Exception;
	public abstract List<book> show() throws Exception;
	public abstract void deleteuser(User u)throws Exception;
	public List<User> show_user() throws Exception;
}
